CN214356500U

CN214356500U - Wheel structure and electric vehicle

Info

Publication number: CN214356500U
Application number: CN202023331445.8U
Authority: CN
Inventors: 耿军华; 曹双华; 张永智; 张显龙; 林英男
Original assignee: Mobai Beijing Information Technology Co Ltd
Current assignee: Mobai Beijing Information Technology Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-08
Anticipated expiration: 2030-12-30

Abstract

The present disclosure relates to a wheel structure and an electric vehicle. The wheel structure includes: the brake device comprises a hub, a disc brake assembly and a protective cover; the disc brake assembly comprises a driven part and a disc brake connecting part, and the driven part is connected with the disc brake connecting part; the wheel hub comprises a wheel hub, an accommodating space is arranged in the wheel hub, and a driven part of the disc brake assembly is arranged in the accommodating space; the protective cover is arranged on the hub in a covering mode to seal the accommodating space; the protective cover is provided with a through hole, and the disc brake connecting part is arranged outside the accommodating space through the through hole.

Description

Wheel structure and electric vehicle

Technical Field

The present disclosure relates to the field of vehicle technologies, and more particularly, to a wheel structure and an electric vehicle.

Background

The rapid development of the sharing bicycle solves the requirement of people for short-distance travel. In order to provide better user experience, shared electric bicycles have also been developed.

The electric bicycle is structurally provided with a brake component to realize braking of the electric bicycle; however, in order to further improve the heat dissipation of the brake component and prevent the heat generated by friction of the brake component from affecting the service life of the brake component, the brake component is exposed to the external environment at present. However, the brake component is exposed, and the brake component is often damaged artificially, which affects the use of the electric bicycle.

SUMMERY OF THE UTILITY MODEL

An object of the present disclosure is to provide a wheel structure and an electric vehicle.

According to a first aspect of the present disclosure, a wheel structure is provided. The wheel structure includes:

the brake device comprises a hub, a disc brake assembly and a protective cover;

the disc brake assembly comprises a driven part and a disc brake connecting part, and the driven part is connected with the disc brake connecting part;

the wheel hub comprises a wheel hub, an accommodating space is arranged in the wheel hub, and a driven part of the disc brake assembly is arranged in the accommodating space;

the protective cover is arranged on the hub in a covering mode to seal the accommodating space;

the protective cover is provided with a through hole, and the disc brake connecting part is arranged outside the accommodating space through the through hole.

Optionally, the hub comprises a rim, and the hub is fixed in the rim and abuts against an inner wall of the rim.

Optionally, the hub is a cylinder, one end of the cylinder is closed, and the other end of the cylinder is provided with an opening.

Optionally, the protective cover includes a connecting portion and a buckling portion connected to the connecting portion, and the connecting portion is connected to the hub;

the connecting portion is provided with an opening, and one end of the opening, which is close to the buckling portion, extends to the buckling portion to form the through hole.

Optionally, the protective cover is a plastic steel member.

Optionally, a first positioning portion is disposed on the hub, and the protective cover is fixed to the hub in a manner of being matched with the first positioning portion.

The wheel structure comprises a front fork assembly, and the disc brake component and the wheel hub are arranged on the front fork assembly;

the disc brake component further comprises a telescopic support, one end of the telescopic support is connected with the disc brake component, and the other end of the telescopic support is connected with the front fork assembly.

Optionally, the disc brake assembly comprises a disc brake upper pump, a disc brake disc and a disc brake lower pump, the disc brake lower pump is arranged on the disc brake disc, and the disc brake upper pump and the disc brake lower pump are connected through the connecting part.

Optionally, the connecting member is wrapped with a metal sleeve.

According to a second aspect of the present disclosure, an electric vehicle is provided. The electric vehicle includes the wheel structure of any one of the first aspect.

The technical effect of this disclosure lies in, provides a wheel structure, wherein under the condition that does not influence wheel braking effect, the dish subassembly of stopping sets up in the accommodation space that the wheel hub formed, and the visor lid is established in order to seal on the wheel hub the accommodation space for the dish subassembly of stopping is hidden in the visor, avoids the dish subassembly of stopping to receive artificial destruction, prolongs the life of dish subassembly of stopping.

Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic structural diagram of a wheel structure according to the present disclosure (without a protective cover).

Fig. 2 is a schematic structural view of another perspective of the wheel structure of the present disclosure.

Fig. 3 is a structural sectional view of a-a in fig. 2.

Fig. 4 is a schematic structural diagram of a wheel structure according to the present disclosure.

Fig. 5 is a partial schematic structural diagram of the electric vehicle according to the present disclosure.

Description of reference numerals:

1-hub, 11-hub, 12-rim, 13-tire; 2-a disc brake assembly, 21-a disc brake disc, 22-a disc brake lower pump, 23-a telescopic bracket, 24-a disc brake connecting part, 25-a disc brake upper pump; 3-protective cover, 31-connecting part, 32-fastening part and 33-perforation; 4-front fork assembly.

Detailed Description

Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

According to an embodiment of the present disclosure, a wheel structure is provided. Referring to fig. 1 to 5, the wheel structure includes: the brake device comprises a hub 1, a disc brake component 2 and a protective cover 3;

the disc brake assembly 2 comprises a driven part and a disc brake connecting part 24, and the driven part is connected with the disc brake connecting part 24;

the wheel hub 1 comprises a wheel hub 11, an accommodating space 112 is arranged in the wheel hub 11, a driven part of the disc brake assembly 2 is arranged in the accommodating space 112, and the protective cover 3 is covered on the wheel hub 11 to close the accommodating space 112;

the protective cover 3 is provided with a through hole 33, and the disc brake connecting portion 24 is disposed outside the accommodating space 112 through the through hole 33.

Specifically, the hub 1 is a metal member that supports the tire 13, and the hub 11 is fixedly provided on the hub 1. Wherein, hub 1 forms accommodation space, and vehicle hub 11 sets up in accommodation space, and vehicle hub 11 encloses to close and forms accommodation space 112.

The disc brake assembly 2 comprises a driving part and a driven part connected with the driving part. The driving member and the driven member are connected by a disc brake connecting portion 24.

Wherein the active component is defined as: and operating the driving part, wherein the driving part is configured to drive the driven part to act, so as to realize a braking effect.

Wherein the driven member is defined as: driven by the driving part, the driven part can passively act, and then the braking effect is achieved on the wheel structure.

In this example, the driven component of the disc brake assembly 2 is disposed in the accommodating space 112, the protective cover 3 covers the hub 11 to close the accommodating space 112, and the protective cover 3 can protect the driven component of the disc brake assembly 2 and prevent the disc brake assembly 2 from being damaged by human factors.

Wherein establish on hub 11 when the lid 3 lid of visor, the dish of dish subassembly 2 of stopping connecting portion 24 can wear out from perforation 33 and arrange in outside accommodation space 112, avoid the unable realization of the initiative part and the driven part of dish subassembly 2 of stopping to connect, influence the braking effect of wheel structure.

The embodiment of the disclosure provides a wheel structure, under the condition that does not influence wheel braking effect, the driven part setting that the dish stopped the subassembly is in the accommodation space that the wheel hub formed, and the visor lid is established in order to seal on the wheel hub the accommodation space for the dish is stopped the subassembly and is hidden in the visor, avoids the dish to stop the subassembly and receives artificial destruction, prolongs the life that the dish stopped the subassembly.

In an alternative embodiment, as shown with reference to fig. 2-5, the driven components of the disc brake assembly 2 include a disc brake disc 21, a disc brake lower pump 22; the disc brake assembly 2 further comprises a disc brake upper pump 25; the dish is stopped down pump 22 and is set up on dish 21 of stopping, the dish is stopped the upper pump 25 and the dish is stopped down pump 22 and is passed through the dish is stopped connecting portion 24 and is connected.

Wherein the disc brake lower pump 22 is configured as a driving part of the disc brake assembly 2 and the disc brake lower pump 22 and the disc brake disc 21 are configured as driven parts in the disc brake assembly 2. The driving member and the driven member are connected by a disc brake connecting portion 24.

The operator can operate the upper disc brake pump 25 to push the lower disc brake pump 22 to clamp the disc brake disc 21, so as to generate a braking effect.

This wheel structure of disclosure sets up dish subassembly 2 of stopping, compares and stops the realization braking through the drum among the prior art, and this example has promoted the braking effect of wheel structure for it is more sensitive to brake.

Alternatively, referring to fig. 1, the hub 1 includes a rim 12, the hub 11 is fixed in the rim 12, and an outer wall of the hub 11 abuts against an inner wall of the rim 12.

In particular, the rim 12 is intended to support a tyre 13. The main body of the rim 12 is a cylinder with openings formed at both ends, and extending portions are formed on two opposite end faces of the cylinder, wherein the tire 13 wraps the extending portions and is fixed on the rim 12.

The rim 12 forms an accommodation space in which the hub 11 is fixed. The hub 11 is fixed in the rim, the outer wall of the hub 11 is abutted against the inner wall of the rim 12, and on one hand, the rim 12 can be enclosed to form a larger accommodating space for arranging the disc brake component 2; on the other hand, the outer wall of the hub 11 abuts against the inner wall of the rim 12, and the overall strength of the wheel structure can be improved.

In an alternative embodiment, the rim 12 and the hub 11 are concentrically arranged, and the ratio of the diameter of the rim 12 to the diameter of the hub 11 ranges from: 1: 0.8-1: 0.9, and under the condition of not influencing the structural rigidity of the wheel, a larger accommodating space 112 is provided to prevent the disc brake component and avoid the interference between the disc brake disc 21 of the disc brake component 2 and the inner wall of the hub 11.

In the structure of the wheel hub in the prior art, the wheel rim is connected with the wheel hub through the spoke plate, and the structure of the wheel hub is small. Compare in prior art, the wheel hub has taken the accommodation space of most of wheel rim formation in this embodiment, and the outer wall of wheel hub offsets and then makes the wheel hub fix on the wheel rim with the inner wall of wheel rim, has reduced the structure difficulty degree of wheel, has reduced the whole weight of wheel simultaneously.

Alternatively, referring to fig. 1 and 3, the hub 11 is a cylindrical body having one end closed and the other end formed with an opening.

Specifically, the hub 11 has two ends arranged in opposite directions, and one end of the hub 11 is arranged in a closed manner, so that the disc brake assembly 2 is prevented from being exposed from the opposite sides provided with the protective covers 3; the other end of the hub 11 is formed with an opening, and the protective cover 3 covers the formed opening to protect the disc brake assembly 2 disposed in the accommodating space 112. This example protects the dish subassembly of stopping that sets up in the accommodation space from both sides, has prolonged the life of dish subassembly of stopping.

Alternatively, referring to fig. 4, the protective cover 3 includes a connecting portion 31 and an engaging portion 32 connected to the connecting portion 31, and the connecting portion 31 is connected to the hub 11;

the connecting portion 31 is opened with an opening, and one end of the opening close to the fastening portion 32 extends to the fastening portion 32 to form the through hole 33.

Specifically, the connecting portion 31 and the engaging portion 32 of the protective cover 3 are integrally molded. A predetermined angle is formed between the connecting portion 31 and the engaging portion 32, so that the connecting portion 31 is bent relative to the engaging portion 32. The predetermined angle between the connecting portion 31 and the engaging portion 32 of the present example is 90 °, which facilitates the installation and fixation of the protective cover 3.

The through hole 33 of the present embodiment is formed on the connecting portion 31 and the engaging portion 33, specifically, the connecting portion 31 is opened with an opening, one end of the opening close to the engaging portion 32 extends to the engaging portion 32 to form the through hole 33, and the through hole 33 of the present embodiment is of a U-like structure, so that the protective cover 3 can be conveniently covered on the hub 11, and the disc brake connecting portion 24 can be conveniently penetrated out from the through hole 33.

Optionally, as described with reference to fig. 4, the protective cover 3 is a plastic steel member. Specifically, the protective cover 3 of the present embodiment is made of plastic steel material, so that the overall weight of the wheel structure is reduced; when the wheel structure is applied to an electric vehicle, the weight of the electric vehicle is reduced.

Optionally, as shown in fig. 1 and fig. 3, a step surface 111 is provided on the hub 11, and the protective cover 3 is fixed on the hub 11 in cooperation with the step surface 111.

Specifically, a step surface 111 is formed on one end surface of the hub 11, and the protective cover 3 includes a connecting portion 31 and an engaging portion 32, wherein the connecting portion 31 is bent with respect to the engaging portion 32, and the connecting portion 31 is fixed on the step surface 111 to fix the protective cover 3 to the hub 11.

Alternatively, referring to fig. 4 and 5, the wheel structure includes a front fork assembly 4, and the disc brake assembly 2 and the wheel hub 1 are disposed on the front fork assembly 4;

the dish subassembly 2 of stopping still includes telescopic bracket 23, telescopic bracket 23 one end with the dish is stopped the subassembly 2 and is connected, the other end with front fork assembly 4 is connected.

Specifically, the front fork assembly 4 includes a front fork vertical pipe arranged on two sides of the wheel hub 1 and a connecting shaft connected with the front fork vertical pipe, and the disc brake disc 21 and the wheel hub 1 in the disc brake assembly 2 are arranged on the connecting shaft through a bearing.

Be provided with telescopic bracket 23 on the dish subassembly 2 of stopping, telescopic bracket 23 one end is stopped with the dish in the subassembly 2 of stopping and is gone down pump 22 through threaded connection, and wherein telescopic bracket 23 is stopped with the dish and is gone down pump 22 and can dismantle the connection.

The other end of the telescopic bracket 23 is connected with a front fork vertical pipe of the front fork assembly 4 through threads, wherein the telescopic bracket 23 is detachably connected with the front fork vertical pipe.

The length of this example telescopic bracket 23 is adjustable to make the dish subassembly of stopping can be applicable to different width dimensions's wheel hub, improved the application scope of dish subassembly of stopping.

Among the prior art support and dish subassembly integrated into one piece of stopping, the length of support is not adjustable moreover for the wheel hub of different width need install the dish of different grade type and stop the subassembly, and the dish of different grade type stops the subassembly moreover and needs different moulds to realize the shaping. Therefore, compared with the prior art, the disc brake assembly of the present embodiment can be suitable for hubs with different width sizes, the application range of the disc brake assembly is improved, and the production cost is reduced.

Optionally, the periphery of the disc brake connecting portion 24 is wrapped with a metal sleeve.

The metal sleeve of this example protects the disc brake interface 24 from damage.

For example, the disc brake connecting portion 24 may be a disc brake cable or a disc brake pipe, and when the disc brake connecting portion 24 is a disc brake pipe, the disc brake pipe is a disc brake oil pipe; in this example, the metal sleeve is sleeved on the periphery of the disc brake wire or the periphery of the disc brake oil pipe, so that the situation that the disc brake wire or the disc brake oil pipe is cut short and the like is avoided. Optionally, the metal sleeve is a metal bellows.

According to a second aspect of the present disclosure, an electric vehicle is provided. The electric vehicle includes the wheel structure of any one of the first aspect. The wheel structure provided by the embodiment of the disclosure is applied to the electric vehicle, and the disc brake assembly of the electric vehicle is prevented from being exposed to the outside environment and being easily damaged.

Optionally, electric vehicle is the sharing electric motor car, and the demand that people's short distance was gone on a journey has been solved in the quick development of sharing electric motor car sharing bicycle, and user's the time of riding generally can not exceed 1 hour, and the dish subassembly of stopping can not produce too much heat, even be provided with the visor on the car hub, the unable exhaust condition of heat that the dish subassembly of stopping produced too much can not appear yet. This example has protected electric vehicle's dish subassembly of stopping not impaired, has prolonged the life of dish subassembly of stopping.

In the above embodiments, the differences between the embodiments are described in emphasis, and different optimization features between the embodiments can be combined to form a better embodiment as long as the differences are not contradictory, and further description is omitted here in consideration of brevity of the text.

Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.

Claims

1. A wheel structure, characterized by comprising: the brake device comprises a hub, a disc brake assembly and a protective cover;

2. The wheel structure of claim 1, wherein the hub includes a rim, the hub being secured within the rim with an outer wall of the hub abutting an inner wall of the rim.

3. The wheel structure according to claim 1 or 2, wherein the hub is a cylindrical body having one end closed and the other end formed with an opening.

4. The wheel structure according to claim 1, wherein the protective cover includes a connecting portion and a buckling portion connected to the connecting portion, the connecting portion being connected to the hub;

5. A wheel construction according to claim 1 or 4 wherein the protective cover is a plastics steel component.

6. The wheel structure according to claim 1, wherein a step surface is provided on the hub, and the protective cover is fixed to the hub in cooperation with the step surface.

7. The wheel structure of claim 1, wherein the wheel structure includes a front fork assembly, the disc brake assembly and the hub being disposed on the front fork assembly;

8. The wheel structure of claim 1, wherein the driven component of the disc brake assembly includes a disc brake disc, a disc brake lower pump; the disc brake assembly further comprises a disc brake upper pump;

the dish is stopped the lower pump and is set up on the dish is stopped to the dish, the dish is stopped the upper pump with the dish is stopped the lower pump and is passed through the dish is stopped connecting portion and is connected.

9. The wheel structure as claimed in claim 1 or 8, wherein the disc brake attachment portion is wrapped around its periphery with a metal sleeve.

10. An electric vehicle characterized by comprising the wheel structure of any one of claims 1 to 9.